5305-01-644-0290 SCREW,MACHINE 5305-01-644-0956 SCREW,TAPPING

National Stock Number:
5305-01-644-0721

Federal Supply Class:
5305

National Item Identification Number:
016440721

Description:
SCREW,CAP,SOCKET HEAD


Manufacturer Information:
074B1SE17ENDRIES INTERNATIONAL, INC.


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD DIAMETER0.430 INCHES NOMINAL
HEAD HEIGHT0.130 INCHES NOMINAL
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 302 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW BTN HEX
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.160 INCHES NOMINAL


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